Home / 546,062,709.60-819,094,064.40-315,913,327.20

Finding the Fourth Proportional to 546,062,709.60, 819,094,064.40 and 315,913,327.20

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Solution

The fourth proportional to 546,062,709.60, 819,094,064.40 and 315,913,327.20 is: 473,869,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,062,709.60 : 819,094,064.40 = 315,913,327.20 : x
  2. Step 2: Convert to fraction form
    546,062,709.60/819,094,064.40 = 315,913,327.20/x
  3. Step 3: Cross multiply
    546,062,709.60x = 819,094,064.40 × 315,913,327.20
  4. Step 4: Simplify right side
    546,062,709.60x = 258,762,731,174,375,040
  5. Step 5: Solve for x
    x = 258,762,731,174,375,040/546,062,709.60
  6. Step 6: Final answer
    x = 473,869,990.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.